"OnlyOffice is developed in Russia by the Closed Joint Stock Company "New Communication Technologies" (a 100% Russian company), all development and management are located in Russia, in the city of Nizhny Novgorod.
The company has a Latvian subsidiary Ascensio System SIA for sales in the EU and the USA. As part of the import substitution program, the product took 1st place in the category of "Custom Office Software".
The Russian portal for choosing technologies and suppliers TAdviser indicates that OnlyOffice products were used by government agencies of the Russian Federation, in particular, the Ministry of Information Technologies and Communications of the Nizhny Novgorod Region.
This agency wrote that OnlyOffice is a development of Nizhny Novgorod programmers. Since 2015, the company's software has also helped to "optimize the work" of the St. Petersburg Cadet Military Corps, which is subordinate to the Ministry of Defense of the Russian Federation.